The abbreviation of POS (point of sales), which means point of sale terminal in Chinese, generally refers to the place where shopping is paid in the mall. Generally speaking, POS refers to the computerized trading system used in automated supermarkets, which uses scanners to read labels and bar codes, electronic cash registers, and other special equipment to record the income of the point of sale. POS refers to the terminal used in this process. At present, POS machines are widely used in the market, whether in finance, refueling, telecommunications and other industries, so it is particularly important to choose high-quality connectors! As a professional manufacturer of connectors, aitem technology is committed to providing high-quality connectors for the payment industry.